Provide a durable, permanent mounting solution with this 38.1 mm Round Weld‑On Base Plate. Engineered for welded installations, it supplies a robust connection point for posts and tubes while delivering a clean, professional appearance. It is a 100mm Diameter Plate with 3 x 9mm evenly spaced holes. 
 
Manufactured from marine‑grade 316 stainless steel for excellent corrosion resistance and long-term performance in indoor and outdoor environments. Pair with our Cover plates with a concealed finish. 
 
Features:
Fits 38.1 mm (1 & 1/2") round tube/post
316 stainless steel construction for superior strength and corrosion resistance
Finish: mill
Weld‑on design for permanent, high‑strength connections
Flat, precision‑pressed plate for flush mounting and accurate alignment
 
Applications: Ideal for structural and architectural post mounting, handrails, balustrades, marine fittings, and commercial or residential projects requiring a strong, permanent weld‑on base.